Which of the following variables are best thought of as cont

Which of the following variables are best thought of as continuous, which discrete?

Discrete or Continuous

(a) The amount of coffee in a cup dispensed by a coin-operated coffee machine.

Discrete or Continuous

Discrete or Continuous

(c) The total snowfall amount in Minneapolis this year

Discrete or Continuous

Discrete or Continuous

Solution

a) The amount of coffee in a cup dispensed is a continous variable as there is no disretec way of saying amt of coffee

b) Grades are 9 , 10 or 11 are discrete variables

c) Total snowfall is continous variable as we can say , 100.1cm or 100.12or 100.123 cmof snowfall

d) Number of persons is definitely discrete as it can be only in integer numbers and not continous